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Simple Target
List Of Targets
Fast Xmatch with large catalogs or Simbad
Target
Name (resolved by
Sesame
) or
Position
:
J2000
B1975
B1950
B1900
B1875
B1855
Galactic
Supergal.
Ecl.J2000
Target dimension:
deg
arcmin
arcsec
NB: The epoch used for the query is the original epoch of the table(s)
Radius
Box size
J/ApJS/144/213
1978
Chandra X-ray observations of M81 (Swartz+, 2003)
ReadMe+ftp
2003ApJS..144..213S
Similar Catalogs
Post annotation
1.
J/ApJS/144/213/table2
(c)
M81 Discrete X-Ray Sources
(177 rows)
meta
J/ApJS/144/213/table2
2.
J/ApJS/144/213/table3
M81 Bright X-Ray Sources
(33 rows)
meta
J/ApJS/144/213/table3
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
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Column
Constraint
Explain
(
UCD
)
(ALL)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
(ALL)
[SGM2003]
(i)
The X-ray source number
(
meta.id;meta.main
)
(
ID_MAIN
)
(1)
RAJ2000
"h:m:s"
(i)
Hour of Right Ascension (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(1)
DEJ2000
"d:m:s"
(i)
Degree of Declination (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
(1)
CRate
10-4ct/s
Aperture-corrected number of source counts
(
phot.count;em.X-ray
)
(
PHOT_COUNT-RATE_X
)
(1)
e_CRate
10-4ct/s
Uncertainty in CRate
(
stat.error
)
(
ERROR
)
(1)
S/R
Signal-to-Noise ratio for CRate
(
stat.snr
)
(
INST_S/N
)
(1)
l_Vmag
(char)
Limit flag on Vmag
(
meta.code.error
)
(
CODE_LIMIT
)
(1)
Vmag
mag
(n)
The visual magnitude
(Note 1)
(
phot.mag;em.opt.V
)
(
PHOT_MAG_V
)
(1)
f_Vmag
(char)
[HI] Flag on Vmag
(Note 2)
(
meta.code.error
)
(
CODE_MISC
)
(1)
CCD
(char)
CHANDRA ACIS CCD device identification
(
meta.id;instr
)
(
INST_ID
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(1)
Region
(char)
Global environment code
(Note 3)
(
meta.note
)
(
NOTE
)
(ALL)
XLum
10+30W
X-ray luminosity
(Note 4)
(
phys.luminosity;em.X-ray
)
(
PHYS_LUMINOSITY_X
)
(ALL)
e_XLum
10+30W
Uncertainty in XLum
(
stat.error
)
(
ERROR
)
(1)
Com
(char)
Additional comments
(Note 5)
(
meta.note
)
(
REMARKS
)
(2)
NH
10+20cm-2
Hydrogen column density
(
phys.columnDensity
)
(
PHYS_COLUMN_DENSITY
)
(2)
e_NH
10+20cm-2
rms uncertainty on NH
(
stat.error
)
(
ERROR
)
(2)
Sp-Index
Spectral parameter
(Note 1)
(
spect.index
)
(
SPECT_SP-INDEX
)
(2)
e_Sp-Index
rms uncertainty on SpPar
(
stat.error
)
(
ERROR
)
(2)
chi2
chi
2
value
(
stat.fit.chi2
)
(
FIT_CHI2
)
(2)
DOF
Degrees of freedom
(
stat.fit.dof
)
(
STAT_N-DOF
)
(2)
PKS
Kolmogorov-Smirnov statistic result
(Note 2)
(
stat.fit.goodness
)
(
FIT_GOODNESS
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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